GB1546784A - Differential pressure indicators - Google Patents
Differential pressure indicatorsInfo
- Publication number
- GB1546784A GB1546784A GB19051/75A GB1905175A GB1546784A GB 1546784 A GB1546784 A GB 1546784A GB 19051/75 A GB19051/75 A GB 19051/75A GB 1905175 A GB1905175 A GB 1905175A GB 1546784 A GB1546784 A GB 1546784A
- Authority
- GB
- United Kingdom
- Prior art keywords
- differential pressure
- pressure indicators
- indicators
- differential
- pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L7/00—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements
- G01L7/16—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of pistons
- G01L7/163—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of pistons construction or mounting of pistons
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L13/00—Devices or apparatus for measuring differences of two or more fluid pressure values
- G01L13/02—Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/08—Means for indicating or recording, e.g. for remote indication
- G01L19/12—Alarms or signals
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S116/00—Signals and indicators
- Y10S116/42—Oil filter
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
- Sampling And Sample Adjustment (AREA)
- Filtration Of Liquid (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB19051/75A GB1546784A (en) | 1975-05-06 | 1975-05-06 | Differential pressure indicators |
CA251,507A CA1037283A (en) | 1975-05-06 | 1976-04-30 | Differential pressure indicators |
US05/681,954 US4014284A (en) | 1975-05-06 | 1976-04-30 | Differential pressure indicators |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB19051/75A GB1546784A (en) | 1975-05-06 | 1975-05-06 | Differential pressure indicators |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1546784A true GB1546784A (en) | 1979-05-31 |
Family
ID=10122939
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB19051/75A Expired GB1546784A (en) | 1975-05-06 | 1975-05-06 | Differential pressure indicators |
Country Status (3)
Country | Link |
---|---|
US (1) | US4014284A (en) |
CA (1) | CA1037283A (en) |
GB (1) | GB1546784A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2465868A (en) * | 2008-10-17 | 2010-06-09 | Elfab Ltd | Pressure surge sensor with piston magnet and rupture disc |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8305927D0 (en) * | 1983-03-03 | 1983-04-07 | Fluid Devices Ltd | Differential pressure gauge |
DE3700593A1 (en) * | 1986-01-13 | 1987-07-16 | Sharp Kk | ROTATION DEVELOPER |
US7886610B2 (en) * | 1999-07-19 | 2011-02-15 | Donaldson Company, Inc. | Differential pressure gauge for filter |
DE102010022119A1 (en) * | 2010-05-20 | 2012-03-01 | Mahle International Gmbh | Differential pressure measuring device and pollution degree monitoring device and filter device |
US9688544B2 (en) * | 2011-05-20 | 2017-06-27 | Hydro International Plc | Treatment device |
US10914412B2 (en) | 2018-06-28 | 2021-02-09 | Watts Regulator Co. | Backflow prevention assembly having a variable lay-length and orientation |
USD944366S1 (en) | 2019-03-08 | 2022-02-22 | Watts Industries Italia S.R.L. | Static balancing valve |
EP3705866B1 (en) | 2019-03-08 | 2023-09-20 | WATTS INDUSTRIES ITALIA S.r.l. | Differential pressure sensor with magnetic dial |
US11815424B2 (en) | 2019-05-08 | 2023-11-14 | Watts Regulator Co. | Backflow prevention system test cock with a fluid sensor |
US11795666B2 (en) | 2019-05-08 | 2023-10-24 | Watts Regulator Co. | Wireless communication system within a mechanical room |
EP3835494A1 (en) | 2019-12-10 | 2021-06-16 | Watts Regulator Co. | System for monitoring backflow preventer condition |
US11585076B2 (en) | 2020-01-24 | 2023-02-21 | Watts Regulator Co. | Apparatus and method for valve cartridge extraction |
US11773992B2 (en) | 2020-08-17 | 2023-10-03 | Watts Regulator Co. | Backflow prevention assembly with a linkage |
US11719352B2 (en) | 2020-08-17 | 2023-08-08 | Watts Regulator Co. | Check cover assemblies for backflow prevention assemblies with integrated test cock protection shroud |
US11739507B2 (en) | 2020-12-09 | 2023-08-29 | Watts Regulator Co. | Test cock with integrated extraction tool |
USD1021000S1 (en) | 2021-08-17 | 2024-04-02 | Watts Regulator Co. | Valve assembly and body for same |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3429291A (en) * | 1965-02-16 | 1969-02-25 | Leslie J Hoffman | Differential-pressure responsive indicator |
US3464556A (en) * | 1968-03-11 | 1969-09-02 | Dollinger Corp | Filter with by-pass valve and indicator |
-
1975
- 1975-05-06 GB GB19051/75A patent/GB1546784A/en not_active Expired
-
1976
- 1976-04-30 CA CA251,507A patent/CA1037283A/en not_active Expired
- 1976-04-30 US US05/681,954 patent/US4014284A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2465868A (en) * | 2008-10-17 | 2010-06-09 | Elfab Ltd | Pressure surge sensor with piston magnet and rupture disc |
GB2465868B (en) * | 2008-10-17 | 2015-12-16 | Elfab Ltd | Pressure surge sensor and assembly including such a sensor and a rupture disc |
Also Published As
Publication number | Publication date |
---|---|
US4014284A (en) | 1977-03-29 |
CA1037283A (en) | 1978-08-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |